Plant Growth and Development Questions

Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps. Of what significance ...

Which one of the following growth regulators is known as ′stress hormone′ ?

The chemical nature of kinetin is

Parthenocarpy can be induced by

The correct process of phytochrome conversion is

Minerals known to be required in large amounts for plant growth include :-

Fruit and leaf drop at early stages can be prevented by the application of :

The avena curvature is used for bioassay of:

During seed germination its stored food is mobilized by :

Which one of the following generally acts as an antagonist to gibberellins ?

Through their effect on plant growth regulators, what do the temperature and light control in the plants?

Matuation can be induce with

Phototropic curvatute is the result of uneven distribution of

Photoperiodism was characterised in

Phytochrome is involved in

Movement of leaves of sensitive plant, Mimosa pudica is due to

Out or excised leaves remain green for long if induced to root or dipped in

Gibberellins promote

Hormone primarily connected with cell division is

Mowing grass lawn facilitates better maintenance because